console.log('Hello Node.js');

// 1、拷贝对象
let person1 = {name: "Amy", age: 15}
let someone = { ...person1 }
console.log(someone)  //{name: "Amy", age: 15}

// 2、合并对象
let age = {age: 15}
let name = {name: "Amy"}
let person2 = {...age, ...name}
console.log(person2)  //{age: 15, name: "Amy"}